Equimolar CO 2 capture by N-substituted amino acid salts and subsequent conversion

An Hua Liu, Ran Ma, Chan Song, Zhen Zhen Yang, Ao Yu, Yu Cai, Liang Nian He, Ya Nan Zhao, Bing Yu, Qing Wen Song

Research output: Contribution to journalArticlepeer-review

220 Scopus citations

Abstract

Steric bulk controls CO 2 absorption: N-substituted amino acid salts in poly(ethylene glycol) reversibly absorb CO 2 in nearly 1:1 stoichiometry. Carbamic acid is thought to be the absorbed form of CO 2; this was supported by NMR and in situ IR spectroscopy, and DFT calculations. The captured CO 2 could be converted directly into oxazolidinones and thus CO 2 desorption could be sidestepped.

Original languageEnglish
Pages (from-to)11306-11310
Number of pages5
JournalAngewandte Chemie - International Edition
Volume51
Issue number45
DOIs
StatePublished - Nov 5 2012
Externally publishedYes

Keywords

  • amino acids
  • carbamic acid
  • carbon dioxide fixation
  • catalysis
  • poly(ethylene glycol)

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